Overview
The Pass & Seymour L520-R Turnlok receptacle is a heavy-duty, industrial-specification locking receptacle designed for secure power connections in commercial and industrial applications. Manufactured by Legrand’s Pass & Seymour division, the L520-R delivers reliable performance with rugged construction and proven durability. This single-receptacle unit is rated for 20 amperes at 125 volts AC and features the standard NEMA L5-20R twist-lock configuration, ensuring compatibility with Turnlok plugs and connectors across industrial environments.
Key Features
- 2-pole, 3-wire configuration with solid twist-lock mechanism for secure mating and unmating
- High-grade brass contacts engineered for excellent conductivity and heat-rise resistance
- Impact-resistant nylon body with ultrasonically welded construction for superior strength and durability
- Industrial-specification grade with back and side-wire entry, accommodating 14–10 AWG conductors
- Flush-mount design with solid brass mounting strap free of rivets for long-term reliability
- Face color-coded by voltage for easy identification and safe device pairing
- Operates reliably in temperature range of −40°C to +75°C
Technical Specifications
- Voltage: 125 VAC
- Amperage: 20 A
- Horsepower Rating: 1 HP
- Poles/Wires: 2-Pole, 3-Wire
- NEMA Configuration: L5-20R
- Wire Size Capacity: 14–10 AWG (4 AWG primary)
- Material: Nylon body with high-grade brass contacts and brass strap
- Mounting Type: Flush
- Dimensions: 3.3 in Dia × 3.28 in H × 1.61 in W × 1.19 in D
- Operating Temperature Range: −40°C to +75°C
- Grade: Industrial/Specification Grade
- Color: Black
Typical Applications
The L520-R Turnlok receptacle is widely used in industrial power distribution, temporary job-site power systems, entertainment and event production, data centers, and heavy equipment power connections. The twist-lock design prevents accidental disconnection under vibration or mechanical stress, making it essential for applications requiring secure, fail-safe power delivery. Commonly specified in manufacturing facilities, construction sites, theatrical lighting systems, and industrial control panel installations.
Compatibility & Replacements
Compatible With
- Legrand/Pass & Seymour Turnlok L5-20 series plugs and connectors
- NEMA L5-20P plugs with matching twist-lock configuration
- Industrial power distribution systems requiring 125V, 20A single-phase connections
- Temporary and permanent power distribution in commercial and industrial facilities
Replaces / Drop-In Replacement For
- Pass & Seymour L520-R (direct equivalent—this is the current part number)
- Older locking receptacle models in the L5-20R family where backward compatibility is confirmed
Works With
- NEMA L5-20P twist-lock plugs and connectors
- Legrand/Pass & Seymour Turnlok cord assemblies rated for 125V, 20A
- Industrial electrical systems and control cabinets requiring secure power distribution
